import { createReadStream } from 'fs';

const readStream = createReadStream('./aaa.txt',{
    start:8,
    end:22,
    highWaterMark:3,
});

readStream.on('data',(data) =>{
    console.log(data.toString());
    readStream.pause();
    setTimeout(()=>{
        readStream.resume();
    },2000);
});